From: Vlad Buslov <vladbu@nvidia.com>
Date: Wed, 1 Sep 2021 18:22:37 +0300
Subject: net/mlx5e: Reserve a value from TC tunnel options mapping
Patch-mainline: v5.16-rc1
Git-commit: 3222efd4b3a37b68068fb1c7470248eea7123f19
References: jsc#SLE-19253

Reserve one more value from TC tunnel options range to be used by bridge
offload in following patches.

Signed-off-by: Vlad Buslov <vladbu@nvidia.com>
Reviewed-by: Paul Blakey <paulb@nvidia.com>
Signed-off-by: Saeed Mahameed <saeedm@nvidia.com>
Acked-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
---
 drivers/net/ethernet/mellanox/mlx5/core/en_tc.c |    6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

--- a/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
+++ b/drivers/net/ethernet/mellanox/mlx5/core/en_tc.c
@@ -5037,9 +5037,11 @@ int mlx5e_tc_esw_init(struct rhashtable
 	}
 	uplink_priv->tunnel_mapping = mapping;
 
-	/* 0xFFF is reserved for stack devices slow path table mark */
+	/* Two last values are reserved for stack devices slow path table mark
+	 * and bridge ingress push mark.
+	 */
 	mapping = mapping_create_for_id(mapping_id, MAPPING_TYPE_TUNNEL_ENC_OPTS,
-					sz_enc_opts, ENC_OPTS_BITS_MASK - 1, true);
+					sz_enc_opts, ENC_OPTS_BITS_MASK - 2, true);
 	if (IS_ERR(mapping)) {
 		err = PTR_ERR(mapping);
 		goto err_enc_opts_mapping;